OT-2026-000028847
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028847) never changes.
Identity and time
| Publication number | OT-2026-000028847 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-783a-a5a0-df64fdd5edf1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028847 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e7f90780da5018e8e4a84e6b4050f500b3e921dae3b889f2492c25bdeffe67f |
|---|---|
| Markdown | 6f12569fbdf9e7dd2e1a7ec1a19a7f645d5bfed4cfc1b86ad54bd48c7c750be0 |
| Publication page | d42cbace96f8c5d0c01abb07bd921ae2f280c3a6e9204a1deee7bbb55c0dd4b5 |
| Manifest | e72fc92df62c45d819b4f7ac9f2b2337858e43b1d609057b469a36ce9e65419c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Ma8wgIrZzJRm5zPqLuK1OUBjKmfF1h1JhkTlr4HFOPEW21ngMVy+sDASqKK8w9CKMZVZQ5CsH8/sr+sTyw6/CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:04.482609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028847observed d42cbace96f8c5d0c01abb07bd921ae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:04.464538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028847/manifest.jsonobserved e72fc92df62c45d819b4f7ac9f2b2337...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.288728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028847/publication.mdobserved 6f12569fbdf9e7dd2e1a7ec1a19a7f64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.219736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028847/publication.txtobserved 8e7f90780da5018e8e4a84e6b4050f50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|